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1. 发明申请

WO2012049711A1 DATA MIGRATION SYSTEM AND DATA MIGRATION METHOD 审中-公开
标题翻译：数据移动系统和数据迁移方法
公开(公告)号：WO2012049711A1
公开(公告)日：2012-04-19
申请号：PCT/JP2010/006117
申请日：2010-10-14
申请人： HITACHI, LTD. , MORISHITA, Noboru , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , YAMAMOTO, Akira
发明人： MORISHITA, Noboru , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , YAMAMOTO, Akira
IPC分类号： G06F3/06
CPC分类号： G06F3/0647 , G06F3/0608 , G06F3/0611 , G06F3/0619 , G06F3/0644 , G06F3/0665 , G06F3/067
摘要： A second storage maps a migration source volume to a virtual volume of a migration destination volume according to storage virtualization technology. A host system including a host switches an access path from an access path to the migration source volume to an access path to the migration destination volume. The second storage executes copy processing of migrating, from the migration source volume to the migration destination volume, data in an assigned area of a virtual volume according to thin provisioning of the migration source volume based on the information contained in the first thin provisioning information in the first storage, and copying that data from the migration destination volume to a virtual volume according to thin provisioning of a copy destination volume in the second storage. The second storage associates the virtual volume of the copy destination volume with the migration destination volume in substitute for the original virtual volume.
摘要翻译：根据存储虚拟化技术，第二个存储将迁移源卷映射到迁移目标卷的虚拟卷。包括主机的主机系统将从访问路径到迁移源卷的访问路径切换到迁移目的地卷的访问路径。第二存储器执行复制处理，根据包含在第一精简配置信息中的信息，根据迁移源卷的精简配置，从迁移源卷迁移到迁移目的地卷，指定虚拟卷的分配区域中的数据第一存储器，以及根据第二存储器中的复制目的地卷的精简配置将数据从迁移目的地卷复制到虚拟卷。第二个存储将复制目标卷的虚拟卷与迁移目标卷相关联，以替代原始虚拟卷。

2. 发明申请

WO2012117447A1 COMPUTER SYSTEM AND DATA MIGRATION METHOD 审中-公开
标题翻译：计算机系统和数据移动方法
公开(公告)号：WO2012117447A1
公开(公告)日：2012-09-07
申请号：PCT/JP2011/001217
申请日：2011-03-02
申请人： HITACHI, LTD. , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , YAMAMOTO, Akira
发明人： SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , YAMAMOTO, Akira
IPC分类号： G06F3/06 , G06F11/20
CPC分类号： G06F3/0617 , G06F3/0635 , G06F3/0647 , G06F3/0665 , G06F3/067 , G06F12/02
摘要： A path is formed between a host computer and storage apparatuses without depending on the configuration of the host computer and a network and a plurality of volumes having a copy function are migrated between storage apparatuses while keeping the latest data. A computer system includes a host computer and first and second storage apparatuses, wherein the second storage apparatus virtualizes a plurality of migration source volumes as a plurality of migration destination volumes and provides them to the host computer; and if the second storage apparatus receives an input/output request for each migration destination volume, it reflects data in each migration source volume via each migration destination volume and the host computer cancels a path to each migration source volume and registers a path to each migration destination volume; and if the second storage apparatus receives a write request, it writes write data to each migration destination volume and each migration source volume and migrates copy processing control information and data until the termination of migration processing.
摘要翻译：在主计算机和存储装置之间形成路径，而不依赖于主机和网络的配置，并且具有复制功能的多个卷在保持最新数据的同时在存储装置之间迁移。计算机系统包括主计算机和第一和第二存储装置，其中第二存储装置将多个迁移源卷虚拟化为多个迁移目的地卷并将其提供给主计算机; 并且如果第二存储装置接收到每个迁移目的地卷的输入/输出请求，则其经由每个迁移目的地卷反映每个迁移源卷中的数据，并且主机计算机取消到每个迁移源卷的路径并且向每个迁移注册路径目的地卷; 并且如果第二存储装置接收到写请求，则向每个迁移目的地卷和每个迁移源卷写入数据，并且迁移复制处理控制信息和数据直到迁移处理结束。

3. 发明申请

WO2012085975A1 STORAGE SYSTEM COMPRISING MULTIPLE STORAGE APPARATUSES WITH BOTH STORAGE VIRTUALIZATION FUNCTION AND CAPACITY VIRTUALIZATION FUNCTION 审中-公开
标题翻译：存储系统，包含多个存储虚拟化功能和容量虚拟化功能的多种存储设备
公开(公告)号：WO2012085975A1
公开(公告)日：2012-06-28
申请号：PCT/JP2010/007457
申请日：2010-12-22
申请人： HITACHI, LTD. , YAMAMOTO, Akira , MORISHITA, Noboru , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki
发明人： YAMAMOTO, Akira , MORISHITA, Noboru , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki
IPC分类号： G06F3/06
CPC分类号： G06F3/0644 , G06F3/0608 , G06F3/0617 , G06F3/062 , G06F3/0647 , G06F3/0665 , G06F3/067 , G06F3/0683
摘要： A first virtual storage and a second virtual storage share an external LU (Logical Unit) inside an external storage. The first virtual storage comprises a first LU, which comprises multiple first virtual areas and conforms to thin provisioning, and an external capacity pool, which is a storage area based on the external LU, and which is partitioned into multiple external pages, which are sub-storage areas. The second virtual storage comprises a second LU, which comprises multiple second virtual areas and conforms to thin provisioning. In a data migration from the first LU to the second LU, for a data migration from a first virtual area, to which an external page has been allocated, to a second virtual area, the first virtual storage notifies the second virtual storage of a migration-source address, which is an address of the first virtual area, and an external address, which is an address of the external page that has been allocated to this virtual area, and the second virtual storage stores a corresponding relationship between the notified migration-source address and external address.
摘要翻译：第一虚拟存储器和第二虚拟存储器在外部存储器内共享外部LU（逻辑单元）。第一虚拟存储器包括第一LU，其包括多个第一虚拟区域并且符合精简配置;以及外部容量池，其是基于外部LU的存储区域，并且被划分为多个外部页面，其是子储存区域。第二虚拟存储器包括第二LU，其包括多个第二虚拟区域并且符合精简配置。在从第一LU到第二LU的数据迁移中，对于从第一虚拟区域到已经分配了外部页面的数据迁移到第二虚拟区域，第一虚拟存储器向第二虚拟存储器通知迁移作为第一虚拟区域的地址的源地址和作为被分配给该虚拟区域的外部页面的地址的外部地址，并且第二虚拟存储器存储所通知的迁移 - 源地址和外部地址。

4. 发明申请

WO2013175529A1 STORAGE SYSTEM AND STORAGE CONTROL METHOD FOR USING STORAGE AREA BASED ON SECONDARY STORAGE AS CACHE AREA 审中-公开
标题翻译：基于二级存储的存储区域存储系统和存储控制方法作为缓存区域
公开(公告)号：WO2013175529A1
公开(公告)日：2013-11-28
申请号：PCT/JP2012/003371
申请日：2012-05-23
申请人： HITACHI, LTD. , YAMAMOTO, Akira , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , MORISHITA, Noboru
发明人： YAMAMOTO, Akira , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki , MORISHITA, Noboru
IPC分类号： G06F12/08
CPC分类号： G06F12/0871 , G06F12/0893
摘要： In general, a DRAM is used as a cache memory, and when attempting to expand the capacity of the cache memory to increase the hit ratio, the DRAM is required to be physically augmented, which is not a simple task. Consequently, a storage system uses a page, which conforms to a capacity virtualization function (for example, a page allocatable to a logical volume in accordance with Thin Provisioning), as a cache area. This makes it possible to dynamically increase and decrease the cache capacity.
摘要翻译：通常，将DRAM用作高速缓冲存储器，并且当试图扩大高速缓冲存储器的容量以增加命中率时，需要物理地增加DRAM，这不是一项简单的任务。因此，存储系统使用符合容量虚拟化功能（例如，根据精简配置的可分配给逻辑卷的页面）作为缓存区域的页面。这使得可以动态地增加和减少高速缓存容量。

5. 发明申请

WO2013076757A1 STORAGE SYSTEM, STORAGE APPARATUS AND METHOD OF CONTROLLING STORAGE SYSTEM 审中-公开
标题翻译：存储系统，存储设备和控制存储系统的方法
公开(公告)号：WO2013076757A1
公开(公告)日：2013-05-30
申请号：PCT/JP2011/006488
申请日：2011-11-22
申请人： HITACHI, LTD. , SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Akira
发明人： SAITO, Hideo , EGUCHI, Yoshiaki , YAMAMOTO, Akira
IPC分类号： G06F12/08 , G06F11/20 , G06F3/06 , G06F11/10
CPC分类号： G06F12/0804 , G06F3/0619 , G06F3/065 , G06F3/067 , G06F11/004 , G06F11/108 , G06F12/0866 , G06F2201/82 , G06F2212/263 , G06F2212/284
摘要： A storage system enables a core storage apparatus to execute processing requiring securing of data consistency, while providing high write performance to a host computer. A storage system includes an edge storage apparatus 20 configured to communicate with a host computer 10 and including a cache memory 25, and a core storage apparatus 30 that communicates with the edge storage apparatus 20 and perform I/O processing on a storage device 39. When receiving a write request from the host computer 10, the edge storage apparatus 20 processes the write request by writeback. When about to execute storage function control processing, on condition that data consistency is be secured, such as pair split processing of a local copy function, the core storage apparatus 30 requests the edge storage apparatus 20 to perform forced destage of dirty data in the cache memory 25 and then executes the storage function control processing after the completion of the forced destage.
摘要翻译：存储系统使得核心存储装置执行需要保证数据一致性的处理，同时向主计算机提供高写入性能。存储系统包括被配置为与主计算机10通信并包括高速缓冲存储器25的边缘存储装置20以及与边缘存储装置20通信并对存储装置39进行I / O处理的核心存储装置30。当从主计算机10接收写请求时，边缘存储装置20通过回写处理写请求。当即将执行存储功能控制处理时，在保证数据一致性的条件（例如本地复制功能的对分割处理）的情况下，核心存储装置30请求边缘存储装置20在高速缓存中执行脏数据的强制流出存储器25，然后在强制流水完成之后执行存储功能控制处理。

6. 发明申请

WO2012168966A1 STORAGE APPARATUS AND METHOD OF CONTROLLING STORAGE APPARATUS 审中-公开
标题翻译：存储设备和存储设备的控制方法
公开(公告)号：WO2012168966A1
公开(公告)日：2012-12-13
申请号：PCT/JP2011/003211
申请日：2011-06-07
申请人： HITACHI, LTD. , NINOSE, Kenta , EGUCHI, Yoshiaki , YAMAMOTO, Akira , SATOYAMA, Ai
发明人： NINOSE, Kenta , EGUCHI, Yoshiaki , YAMAMOTO, Akira , SATOYAMA, Ai
IPC分类号： G06F3/06
CPC分类号： G06F3/0665 , G06F3/0607 , G06F3/0631 , G06F3/067 , G06F3/0689
摘要： Efficient data processing is implemented by using the functions of an external storage apparatus which is connected to the virtual storage apparatus. A storage apparatus which is connected to a host apparatus which requests data I/Os and to an external storage apparatus comprising a storage device respectively via a network, comprising a storage device storing data which is read and written by the host apparatus; and a control device which controls data writing to a storage area, wherein the control device provides a predetermined storage area of the storage device of the external storage apparatus to the host apparatus as one or more virtual volumes, and manages the virtual volumes and function information indicating the functions of the external storage apparatus in association with one another.
摘要翻译：通过使用连接到虚拟存储装置的外部存储装置的功能来实现高效的数据处理。一种存储装置，其经由网络分别连接到请求数据I / O的主机装置和包括存储装置的外部存储装置，所述存储装置包括存储由所述主机装置读取和写入的数据的存储装置; 以及控制装置，其控制对存储区域的数据写入，其中所述控制装置将所述外部存储装置的存储装置的预定存储区域作为一个或多个虚拟卷提供给所述主机装置，并且管理所述虚拟卷和功能信息指示外部存储装置的功能彼此相关联。

7. 发明申请

WO2014013527A1 STORAGE SYSTEM INCLUDING MULTIPLE STORAGE APPARATUSES AND POOL VIRTUALIZATION METHOD 审中-公开
标题翻译：存储系统，包括多种存储设备和池式虚拟化方法
公开(公告)号：WO2014013527A1
公开(公告)日：2014-01-23
申请号：PCT/JP2012/004615
申请日：2012-07-20
申请人： HITACHI, LTD. , SATOYAMA, Ai , EGUCHI, Yoshiaki
发明人： SATOYAMA, Ai , EGUCHI, Yoshiaki
IPC分类号： G06F3/06
CPC分类号： G06F3/0659 , G06F3/0607 , G06F3/0616 , G06F3/0619 , G06F3/0665 , G06F3/0683 , G06F3/0689 , G06F12/1009
摘要： There are a plurality of storage apparatuses including a first storage apparatus and a second storage apparatus. The first storage apparatus has a virtual volume composed of a plurality of virtual segments. At least the second storage apparatus has a pool composed of a plurality of real pages (real storage areas). The plurality of storage apparatuses each manage one or more pools including at least the pool in the second storage apparatus as one virtual pool. The virtual pool is composed of a plurality of virtual pages, and each virtual page corresponds to any of the real pages. The first storage apparatus receives a write command that specifies an address belonging to an unallocated virtual segment to which no virtual page is allocated, allocates a free virtual page from the virtual pool to the unallocated virtual segment, and writes data accompanying the write command to the real page corresponding to the allocated virtual page.
摘要翻译：存在包括第一存储装置和第二存储装置的多个存储装置。第一存储装置具有由多个虚拟段组成的虚拟卷。至少第二存储装置具有由多个真实页面（实际存储区域）组成的池。多个存储装置每个管理至少包括第二存储装置中的池的一个或多个池作为一个虚拟池。虚拟池由多个虚拟页面组成，并且每个虚拟页面对应于任何真实页面。第一存储装置接收指定属于未分配虚拟页的未分配虚拟段的地址的写入命令，从虚拟池向未分配的虚拟段分配空闲虚拟页，并将与写入命令相关的数据写入到实际页面对应于分配的虚拟页面。

8. 发明申请

WO2012131780A1 STORAGE CONTROL SYSTEM PROVIDING VIRTUAL LOGICAL VOLUMES COMPLYING WITH THIN PROVISIONING 审中-公开
标题翻译：存储控制系统提供与薄型化相关的虚拟逻辑卷
公开(公告)号：WO2012131780A1
公开(公告)日：2012-10-04
申请号：PCT/JP2011/001944
申请日：2011-03-31
申请人： HITACHI, LTD. , SERIZAWA, Kazuyoshi , EGUCHI, Yoshiaki , SHIMOZONO, Norio
发明人： SERIZAWA, Kazuyoshi , EGUCHI, Yoshiaki , SHIMOZONO, Norio
IPC分类号： G06F3/06
CPC分类号： G06F3/0685 , G06F3/0608 , G06F3/0644
摘要： A storage control system comprises a storage resource and a controller. If the controller receives a write command which specifies an address belonging to a virtual volume, to the area belonging to the address, unassigned pages in a pool which is a storage area based on a plurality of media types of physical storage media and which is divided into a plurality of pages are supposed to be assigned. The storage control system comprises a plurality of management entries which are a plurality of entries for page management information which is the information related to the pages. The plurality of management entries include two or more page entries and two or more statistical entries. A statistical entry about a certain media type corresponds to M pages based on the storage media of the certain media type (M is an integral number which is 2 or larger). The statistical entry corresponding to the M pages comprises the information related to the I/O performance value for those M pages.
摘要翻译：存储控制系统包括存储资源和控制器。如果控制器接收到指定属于虚拟卷的地址的写入命令，则属于该地址的区域，基于多个媒体类型的物理存储介质的作为存储区域的池中的未分配页面被划分应分配多个页面。存储控制系统包括作为与页面相关的信息的页面管理信息的多个条目的多个管理条目。多个管理条目包括两个或多个页面条目和两个或更多个统计条目。关于某种媒体类型的统计条目对应于基于某种媒体类型的存储介质的M页（M是2或更大的整数）。对应于M页的统计表项包括与这些M页的I / O性能值相关的信息。

9. 发明申请

WO2013018130A1 DATA STORAGE CONTROL APPARATUS AND METHOD 审中-公开
标题翻译：数据存储控制装置和方法
公开(公告)号：WO2013018130A1
公开(公告)日：2013-02-07
申请号：PCT/JP2011/004357
申请日：2011-08-01
申请人： HITACHI, LTD. , JIN, Azusa , EGUCHI, Yoshiaki , DEGUCHI, Akira , AKUTSU, Hiroaki
发明人： JIN, Azusa , EGUCHI, Yoshiaki , DEGUCHI, Akira , AKUTSU, Hiroaki
IPC分类号： G06F3/06
CPC分类号： G06F3/0665 , G06F3/0605 , G06F3/061 , G06F3/0644 , G06F3/067
摘要： The present invention creates a pool comprising tiers corresponding to the performance of logical volumes. A first storage apparatus either acquires or measures the performance of multiple external pool volumes of an external storage (S1711 through S1714), and creates a pool volume group based on the performance of the external pool volumes (S1715, S1716). The rank order of a tier is decided in accordance with the performance of each pool volume group (S1717, S1718). This makes it possible to relatively easily create a pool comprising multiple appropriate tiers that are suited to the current situation.
摘要翻译：本发明创建一个包含对应于逻辑卷的性能的层的池。第一存储装置获取或测量外部存储器的多个外部池卷的性能（S1711至S1714），并且基于外部池卷的性能创建池卷组（S1715，S1716）。根据每个池卷组的性能决定层次的排序（S1717，S1718）。这使得可以相对容易地创建包括适合于当前情况的多个适当层级的池。

10. 发明申请

WO2010097832A1 STORAGE SYSTEM COMPRISING RAID GROUP 审中-公开
标题翻译：存储系统包含RAID组
公开(公告)号：WO2010097832A1
公开(公告)日：2010-09-02
申请号：PCT/JP2009/000841
申请日：2009-02-26
申请人： HITACHI, LTD. , EGUCHI, Yoshiaki , YAMAMOTO, Masayuki
发明人： EGUCHI, Yoshiaki , YAMAMOTO, Masayuki
IPC分类号： G06F11/10
CPC分类号： G06F11/2094 , G06F11/1076 , G06F2211/1028
摘要： A pool that is a storage area group composed of a plurality of real pages based on a plurality of RAID groups is managed. The storage system carries out the rebuild processing that includes the steps of copying each of data that has been stored into all allocated real pages among all real pages based on a specific RAID group to an unallocated real page based on at least one RAID group separate from the specific RAID group, allocating a real page of each copy destination to each virtual page of an allocated destination of an allocated real page of each copy source, and canceling an allocation of an allocated real page of each copy source to a virtual page.
摘要翻译：管理作为由多个RAID组构成的多个实际页面的存储区域组的池。存储系统执行重建处理，其包括以下步骤：基于特定RAID组，将存储在所有分配的真实页面中的所有分页的真实页面中的每个数据复制到未分配的真实页面，所述至少一个RAID组与特定RAID组，将每个复制目的地的真实页面分配给每个复制源的分配的实际页面的分配的目的地的每个虚拟页面，以及将每个复制源的分配的真实页面的分配取消到虚拟页面。

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